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19771 questions


1 answers
390 views
0
Understanding How to Obtain the Value in Regular Expressions from Data in a Specific Format

We are currently creating a program that retrieves settings and settings separately from text files in the format below.<Format>test login_id:useridauthority:root folder:root123login password:12...


1 answers
482 views
0
Where is the memory area of the reference static variable in c#?

Are reference static variables in c# stored in static, heap, or stack areas?

c#
1 years ago

1 answers
334 views
0
Using RDBs and Key-value DBs

How do I use RDB and key-value DB differently?Personally, I understand the difference between whether or not you can create an index later, but is this correct?


1 answers
246 views
0
About how to print every time after using bubble sort.

I have a question about Python.In order to execute bubble sort, I have programmed as follows, but I would like to print every time after operation.What should we do to do so?For example, if [3,5,1,7] ...

1 years ago

1 answers
416 views
0
Environment dependent characters? are displayed.

https://atcoder.jp/contests/abc058/tasks/abc058_bIn the code section below, environment dependent characters? will be displayed.Why do environment-dependent characters appear?I would appreciate it if ...

c++
1 years ago

1 answers
330 views
0
The data collection code to the microSD card does not work

I'd like to use the acceleration sensors called the Spresense and BMI160 to create a code that records the sensor output on the microSD card, but it's not working.I would like to have the sensor outpu...

1 years ago

1 answers
353 views
0
Is the master information contained in the WebAPI response body an ID or a value associated with the ID?

When I put the master's data into the WebAPI response body, is it better to return the ID or the value associated with the ID?For example, in the case of a WebAPI response body like GET/tasks/1 that r...

1 years ago

1 answers
297 views
0
Google spreadsheet REGEXMATCH wants to detect symbol content but does not return expected value

In the G spreadsheet, I would like to check if the A3 cell string contains the symbol B3:B32.The string in A3 is Expected an int but was BOOLEAN at path$.data.next_pageAssume that First, put the symbo...


1 answers
420 views
0
Recursive function problems in javascript

function flatten(oldArr) { var newArr = [] for (var i = 0; i < oldArr.length; i++) { if (Array.isArray(oldArr[i])) { newArr = newArr.concat(flatten(oldArr[i])) } } else { newArr.push(oldArr[i]) } }...


1 answers
399 views
0
C++ STRCAT Implementation Partial Question

using namespace std;class My_string {private:char* str;public:My_string(char *a) { str = a; };~My_string() { };int my_strlen() {int b = 0;while (1) {if (str[b] == NULL){break; } b++; } return b;};vo...

c++
1 years ago
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